Phineas and Ferb are on a mission to make their mom's birthday the best ever. The boys try to shrink themselves so they can retrieve Isabella's sash after it was eaten by her dog, but they instead get eaten by Candace.
E' il compleanno di mamma, i ragazzi le fanno una sorpresa. / Il sottomarino che si rimpicciolisce.
C'est une journée pleine de surprises pour maman. En effet, Candice et les garçons essaient de lui préparer le plus bel anniversaire.
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Phinéas et Ferb, rendus minuscules, explorent le corps humain.
